Change also the start scripts for devices servers, forgot an exit -1

Femto-DS/Femto-DS.sh

@@ -10,6 +10,7 @@ if [ ${#} -eq 1 ]; then
     instance="${1}"
 else
     echo "The instance of this device server must be provided!"
+    exit -1
 fi
 containerPath=${myDir//${HOME}\//\/hosthome\/}
 docker exec -it itango python3 ${containerPath}/${runThis} ${instance}

RandomData-DS/RandomData-DS.sh

@@ -10,6 +10,7 @@ if [ ${#} -eq 1 ]; then
     instance="${1}"
 else
     echo "The instance of this device server must be provided!"
+    exit -1
 fi
 containerPath=${myDir//${HOME}\//\/hosthome\/}
 docker exec -it itango python3 ${containerPath}/${runThis} ${instance}